Short Circuit protection Using Relay

Submitted by rmrps on Thu, 12/26/2019 - 14:23

Hi i am get the following short circuit protection circuit from the website it is working fine .The problem is when the 12v supply is on it is started from NC operation after pressing the push button only the output will come and if it is short circuit at the output the relay get turn off and it is change to NC.I want to modified this circuit as first it work with NO and if it is short circuit it is work to NC that is i want to avoid pressing push button at the start up and automatically it has to work to NO at first and if it is short circuit at the output it has to work with NC.i am unable to find the way to implement this logic.Please guide me to achieve this solution

WhatsApp Image 2019-12-26 at 1.40.08 PM.jpeg

marry roser

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Overload relays are used in a motor circuit to protect motors from damage caused by prolonged periods of overcurrent. A short circuit occurs when current travels along an unintended path, often where essentially no electrical impedance is encountered.

The problem is when the 12v supply is on it is started from NC operation after pressing the push button only the output will come and if it is short circuit at the output the relay get turn off and it is change to NC.I want to modified this circuit as first it work with NO and if it is short circuit it is work to NC that is i want to avoid pressing push button at the start up and automatically it has to work to NO at first and if it is short circuit at the output it has to work

  Joined November 21, 2019      36
Thursday at 02:40 PM